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genre: opera
popularity: 27
followers: 248
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additional property: OTSVerifyInstructions
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-12T19:28:13Z
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album: Va Pensiero
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  by artist: Magdalena Kožená
  by artist: Berliner Philharmoniker
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    date published: 2025-02-09
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  genre: classical
  genre: opera
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T07:16:32Z
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  by artist: Berliner Philharmoniker
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    date published: 2025-01-13
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
  audio: Bizet: Carmen, WD 31, Act 1: Habanera. "L'amour est un oiseau rebelle" (Carmen, Chœur)
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track: Wagner: Tannhäuser, Act 1: "Naht euch dem Strande!" (Sirenen)
track: Wagner: Tannhäuser, Act 1: "Geliebter, sag! Wo weilt dein Sinn?" (Venus, Sirenen)
track: Wagner: Tannhäuser, Act 1: "Geliebter! Komm, sieh dort die Grotte" (Venus, Sirenen)
track: Wagner: Tannhäuser, Act 1: "Stets soll nur dir mein Leid ertönen" (Tannhäuser)
track: Wagner: Der fliegende Holländer (The Flying Dutchman), Act 1: "Hojohe" (Daland, Steersman, Chorus)
track: Wagner: Der fliegende Holländer (The Flying Dutchman), Act 2: "Summ' und Brumm" (Chorus, Mary)

Wagner: Tannhäuser, Act 1: "Naht euch dem Strande!" (Sirenen)
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duration: PT4M32S
duration ms: 272026
explicit: false
by artist: Richard Wagner
by artist: Daniel Barenboim
by artist: Chor der Deutschen Staatsoper Berlin
by artist: Staatskapelle Berlin
in album: Barenboim - Complete Wagner Operas
  type: MusicAlbum
  date published: 1995
popularity: 2
genre: classical
genre: opera
isrc code: DEA800113202
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Wagner: Tannhäuser, Act 1: "Naht euch dem Strande!" (Sirenen)
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Wagner: Tannhäuser, Act 1: "Geliebter, sag! Wo weilt dein Sinn?" (Venus, Sirenen)
type: MusicRecording
duration: PT5M19S
duration ms: 319373
explicit: false
by artist: Richard Wagner
by artist: Daniel Barenboim
by artist: Chor der Deutschen Staatsoper Berlin
by artist: Staatskapelle Berlin
by artist: Waltraud Meier
in album: Barenboim - Complete Wagner Operas
  type: MusicAlbum
  date published: 1995
popularity: 2
genre: classical
genre: opera
isrc code: DEA800113203
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Wagner: Tannhäuser, Act 1: "Geliebter, sag! Wo weilt dein Sinn?" (Venus, Sirenen)
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Wagner: Tannhäuser, Act 1: "Geliebter! Komm, sieh dort die Grotte" (Venus, Sirenen)
type: MusicRecording
duration: PT5M4S
duration ms: 304626
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by artist: Richard Wagner
by artist: Daniel Barenboim
by artist: Chor der Deutschen Staatsoper Berlin
by artist: Staatskapelle Berlin
by artist: Waltraud Meier
in album: Barenboim - Complete Wagner Operas
  type: MusicAlbum
  date published: 1995
popularity: 1
genre: classical
genre: opera
isrc code: DEA800113206
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Wagner: Tannhäuser, Act 1: "Geliebter! Komm, sieh dort die Grotte" (Venus, Sirenen)
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Wagner: Tannhäuser, Act 1: "Stets soll nur dir mein Leid ertönen" (Tannhäuser)
type: MusicRecording
duration: PT1M43S
duration ms: 103000
explicit: false
by artist: Richard Wagner
by artist: Daniel Barenboim
by artist: Chor der Deutschen Staatsoper Berlin
by artist: Peter Seiffert
by artist: Staatskapelle Berlin
in album: Barenboim - Complete Wagner Operas
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  date published: 1995
popularity: 1
genre: classical
genre: opera
isrc code: DEA800113207
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800113207
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956302
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd05fe9694708ae8d8fe865c6502c33d694dbb881a63820d6de6a352d0ae70475. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800113207.
  date published: 2026-07-08T03:53:27Z
audio: Wagner: Tannhäuser, Act 1: "Stets soll nur dir mein Leid ertönen" (Tannhäuser)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.686
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.353
  additional property: Energy
    type: PropertyValue
    value: 0.347
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.924
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.508
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.338
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.172
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wagner: Der fliegende Holländer (The Flying Dutchman), Act 1: "Hojohe" (Daland, Steersman, Chorus)
type: MusicRecording
duration: PT5M19S
duration ms: 319533
explicit: false
by artist: Richard Wagner
by artist: Daniel Barenboim
by artist: Chor der Deutschen Staatsoper Berlin
by artist: Robert Holl
by artist: Rolando Villazón
by artist: Staatskapelle Berlin
in album: Barenboim - Complete Wagner Operas
  type: MusicAlbum
  date published: 1995
popularity: 1
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0abddcfbe06bfa955cc5bfc84e665e03452df9e4e14a1631477874997dcc52aa. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800200251.
  date published: 2026-07-31T15:59:18Z
audio: Wagner: Der fliegende Holländer (The Flying Dutchman), Act 1: "Hojohe" (Daland, Steersman, Chorus)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.981
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.232
  additional property: Energy
    type: PropertyValue
    value: 0.152
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.951
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.045
  additional property: Liveness
    type: PropertyValue
    value: 0.162
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.094
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.822
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEA800200251
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 959134
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-22T13:34:27+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800200251
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959134
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959134
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T13:34:27+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Wagner: Der fliegende Holländer (The Flying Dutchman), Act 2: "Summ' und Brumm" (Chorus, Mary)
type: MusicRecording
duration: PT3M51S
duration ms: 231013
explicit: false
by artist: Richard Wagner
by artist: Daniel Barenboim
by artist: Chor der Deutschen Staatsoper Berlin
by artist: Felicity Palmer
by artist: Staatskapelle Berlin
by artist: Daniel Borenboim
in album: Barenboim - Complete Wagner Operas
  type: MusicAlbum
  date published: 1995
popularity: 1
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7311508f573756dd7c290d24a439bd56e66f126af6f4a78d7081ed1c4f000e33. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800200258.
  date published: 2026-08-01T00:40:43Z
audio: Wagner: Der fliegende Holländer (The Flying Dutchman), Act 2: "Summ' und Brumm" (Chorus, Mary)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.515
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.236
  additional property: Energy
    type: PropertyValue
    value: 0.122
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.613
  additional property: Liveness
    type: PropertyValue
    value: 0.335
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.19
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.066
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEA800200258
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960095
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T11:07:37+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA800200258
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960095
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960095
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T11:07:37+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Speechiness
type: PropertyValue
value: 0.06

Acousticness
type: PropertyValue
value: 0.98

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.592

Valence (Positivity)
type: PropertyValue
value: 0.3

Loudness (dB)
type: PropertyValue
value: -27.618

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major